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What is the difference between an expression and a statement in Python?
...hich can be any Python object. Examples:
3 + 5
map(lambda x: x*x, range(10))
[a.x for a in some_iterable]
yield 7
Statements (see 1, 2), on the other hand, are everything that can make up a line (or several lines) of Python code. Note that expressions are statements as well. Examples:
# all t...
What is ApplicationException for in .NET?
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103
According to the remarks in msdn:
User applications, not the common language runtime, throw cu...
How to find NSDocumentDirectory in Swift?
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Apparently, the compiler thinks NSSearchPathDirectory:0 is an array, and of course it expects the type NSSearchPathDirectory instead. Certainly not a helpful error message.
But as to the reasons:
First, you are confusing the argument names and types. Take a look at the functio...
When correctly use Task.Run and when just async-await
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380
Note the guidelines for performing work on a UI thread, collected on my blog:
Don't block the ...
Can I unshelve to a different branch in tfs 2008?
...artin Brown
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answered Sep 22 '08 at 20:24
Curt HagenlocherCurt Hagenlocher
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Sum a list of numbers in Python
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Question 1: So you want (element 0 + element 1) / 2, (element 1 + element 2) / 2, ... etc.
We make two lists: one of every element except the first, and one of every element except the last. Then the averages we want are the averages of each pair taken from...
How to get a complete list of object's methods and attributes?
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140
For the complete list of attributes, the short answer is: no. The problem is that the attributes...
Why do Java webapps use .do extension? Where did it come from?
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answered Aug 30 '10 at 3:09
Pascal ThiventPascal Thivent
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Matching a space in regex
...s is (note the space inside the regex):
$newtag = preg_replace ("/[^a-zA-Z0-9 ]/", "", $tag);
# ^ space here
If you also want trickery to ensure there's only one space between each word and none at the start or end, that's a little more complicated (and probably...
Should accessing SharedPreferences be done off the UI Thread?
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answered Dec 6 '10 at 23:07
Brad FitzpatrickBrad Fitzpatrick
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